Then there is a second viewpoint, in which particular importance is attached to soft norms, which are often based on the concept of voluntary obligation and legal norms of varying degrees of intensity which have an operational nature.
Por otra parte, hay otro punto de vista que concede particular importancia a las normas flexibles, que a menudo se basan en el concepto de obligación voluntaria y de normas más o menos jurídicas que tienen carácter operacional.